summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gnat.dg/unc_memops.adb
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gnat.dg/unc_memops.adb')
-rw-r--r--gcc/testsuite/gnat.dg/unc_memops.adb63
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/unc_memops.adb b/gcc/testsuite/gnat.dg/unc_memops.adb
new file mode 100644
index 000000000..356fc0100
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/unc_memops.adb
@@ -0,0 +1,63 @@
+
+package body Unc_Memops is
+
+ use type System.Address;
+
+ type Addr_Array_T is array (1 .. 20) of Addr_T;
+
+ type Addr_Stack_T is record
+ Store : Addr_Array_T;
+ Size : Integer := 0;
+ end record;
+
+ procedure Push (Addr : Addr_T; As : access addr_stack_t) is
+ begin
+ As.Size := As.Size + 1;
+ As.Store (As.Size) := Addr;
+ end;
+
+ function Pop (As : access Addr_Stack_T) return Addr_T is
+ Addr : Addr_T := As.Store (As.Size);
+ begin
+ As.Size := As.Size - 1;
+ return Addr;
+ end;
+
+ --
+
+ Addr_Stack : aliased Addr_Stack_T;
+ Symetry_Expected : Boolean := False;
+
+ procedure Expect_Symetry (Status : Boolean) is
+ begin
+ Symetry_Expected := Status;
+ end;
+
+ function Alloc (Size : size_t) return Addr_T is
+ function malloc (Size : Size_T) return Addr_T;
+ pragma Import (C, Malloc, "malloc");
+
+ Ptr : Addr_T := malloc (Size);
+ begin
+ if Symetry_Expected then
+ Push (Ptr, Addr_Stack'Access);
+ end if;
+ return Ptr;
+ end;
+
+ procedure Free (Ptr : addr_t) is
+ begin
+ if Symetry_Expected
+ and then Ptr /= Pop (Addr_Stack'Access)
+ then
+ raise Program_Error;
+ end if;
+ end;
+
+ function Realloc (Ptr : addr_t; Size : size_t) return Addr_T is
+ begin
+ raise Program_Error;
+ return System.Null_Address;
+ end;
+
+end;